Home / 578,374.16-867,394.64-199,279.58

Finding the Fourth Proportional to 578,374.16, 867,394.64 and 199,279.58

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Solution

The fourth proportional to 578,374.16, 867,394.64 and 199,279.58 is: 298,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,374.16 : 867,394.64 = 199,279.58 : x
  2. Step 2: Convert to fraction form
    578,374.16/867,394.64 = 199,279.58/x
  3. Step 3: Cross multiply
    578,374.16x = 867,394.64 × 199,279.58
  4. Step 4: Simplify right side
    578,374.16x = 172,854,035,714.68
  5. Step 5: Solve for x
    x = 172,854,035,714.68/578,374.16
  6. Step 6: Final answer
    x = 298,861.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.